please provide correct answers:

1. Which of these statements will always cause a program to halt? (x is an int variable).

A. assert(10 > 0);

B. assert(10 < 0);

C. assert(x < 0);

D. None of the above will always cause a program to halt.

2. What does a run-time analysis usually count?

A. The number of arithmetic and other operations required for the program to run

B. The number of megabytes required for the program to run

C. The number of seconds required for the program to run

D. The number of seconds plus the number of megabytes

E. The number of seconds times the number of megabytes

3. Which of these is the correct big-O expression for 1+2+3+...+n?

A. O(log n)

B. O(n)

C. O(n log n)

D. O(n)

4. What term is used to describe an O(n) algorithm.

A. Constant

B. Linear

C. Logarithmic

D. Quadratic

5. Express the formula (n - 2)*(n - 4) using big-O notation:

A. O(1)

B. O(8)

C. O(log n)

D. O(n)

E. None of the above

6. Why is it important to test boundary values when testing programs?

A. Calculating by hand, it's easy to find the right answers for boundary values.

B. Debuggers are easier to use when testing boundary values.

C. In practice, a large proportion of errors arise from boundary values.

D. The correct execution of a function on all boundary values proves a function is correct.

7. How may boundary values for a function be found?

A. Pick values that are one step away from different behavior.

B. Pick values that make the precondition equal to the postcondition.

C. Pick values where the precondition is false.

D. Pick values where the postcondition is false.